diff --git a/mm/memcontrol.c b/mm/memcontrol.c index fc10620967c7..f98ed648cb58 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4878,6 +4878,12 @@ static int mem_cgroup_can_attach(struct cgroup_taskset *tset) return ret; } +static int mem_cgroup_allow_attach(struct cgroup_subsys_state *css, + struct cgroup_taskset *tset) +{ + return subsys_cgroup_allow_attach(css->cgroup, tset); +} + static void mem_cgroup_cancel_attach(struct cgroup_taskset *tset) { if (mc.to) @@ -5039,6 +5045,11 @@ static int mem_cgroup_can_attach(struct cgroup_taskset *tset) { return 0; } +static int mem_cgroup_allow_attach(struct cgroup_subsys_state *css, + struct cgroup_taskset *tset) +{ + return 0; +} static void mem_cgroup_cancel_attach(struct cgroup_taskset *tset) { } @@ -5222,6 +5233,7 @@ struct cgroup_subsys memory_cgrp_subsys = { .can_attach = mem_cgroup_can_attach, .cancel_attach = mem_cgroup_cancel_attach, .attach = mem_cgroup_move_task, + .allow_attach = mem_cgroup_allow_attach, .bind = mem_cgroup_bind, .dfl_cftypes = memory_files, .legacy_cftypes = mem_cgroup_legacy_files,